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The effect of electric field on the surface of nanoparticles (TiO2 & SiO2) and its application to retardation of membrane fouling

S-E Park, D-Y Ry, J-W Kwak, S-W Lee and S-J Park
Associate Professor, Kyungwon University, KR

Keywords:
electric field, zeta-potential, membrane fouling, TiO2, SiO2

Abstract:
Since electrostatic device has been practiced for anti-foulant treatment effect on processing the industrial wastewater, the electric force is suspected to induce the alteration of surface charges of colloidal particles in the aspect of reducing the deposition of insulating solids on the surface. The objective of the research is to investigate the effect of electric field on the surface energy and dispersion of colloidal particles. The recirculation of colloidal particles (0.1 wt%) through the electrostatic device distinctly altered the surface charges of oxide nanoparticles, consequently leading to the retardation of membrane fouling.

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